1. Novel mixed ionic-electronic conductors for oxygen separation and electrocatalysis;Liu;US Patent No. 5, 273, 629,1993
2. Y. Shen, M. Liu, A. Joshi and K. Krist, Solid State Ionics, submitted for publication.
3. Preparation and Properties of Two‐Phase Mixed Conductors of β‐Alumina and Iron Oxide
4. Mixed ionic and electronic conducting composite ceramic materials based on bismuth oxide and method of fabrication;Liu;US Patent Application serial No. 08/146, 880,1993